added basic mappers

mappers/mapperbase.cpp

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+
+namespace UwU {
+  template <class MapperT>
+  class MapperBase {
+    public:
+      Coord2 map(uint16_t x, uint16_t y) {
+        return static_cast<MapperT*>(this)->map(x, y);
+     }
+  };
+}